Abstract
Piping system is needed notice on group of high population people. Water flows come out from people residend sometimes unstable when used. This anomaly can be happened because factor of section diameter, pipe material, and flow debit passed through pipes elbow. This research intend to know effect section diameter, pipe material varians, flow debit of head losses and knowing coefficient losses consequent reynold number. This research is using factorial desain orthogonal array L 12 then data analysis used Analysis Of Variance (ANOVA) with assistance minitab 16 software and contrast test (Scheffe’s Method). The results of this experiment head losses highest value of pipe section diameter 1 inch towards ¾ inch, PVC (Poly Vinyl Cholide) pipe material, and flow debit 20 liter/minutes is 42.33 mm. For head loses lowest value of pipe section diameter ¾ inch toward 1 inch, PE (Polyethylene) pipe material, and flow debit 10 liter/minutes is 5.33 mm, although highest coefficient losses of section diameter ¾ inch towards 1 inch, PVC (Poly Vinyl Cholide) pipe material, and flow debit 10 liter/minutes is 1.4602. ANOVA result and contrast test (Scheffe’s Method) concluded section diameter, pipe material, and fluid flow debit significant effect of head losses. Based the conclusion of research, reseacher suggest that small section diameter toward big section diameter, better pipe material and low flow debit if want to reduce head losses value of piping system.
Highlights
Piping system is needed notice on group of high population people
In this study has the purpose of the problem to determine the effect of consuquent section diameter, Variation of pipe material, fluid flow discharge to head losses and know the coefficient of loss on elbow 900 connection due to reynold number [2]
First independent variable which is variable which can be controlled in this research for independent variable section diameter 1 inch toward 3⁄4 inch and 3⁄4 inch toward 1 inch, PVC pipe material (Poly Vinly Chloride) and pipe PE (Polyethylene), and fluid flow discharge 10, 15, and 20 liter/min
Summary
In general every day we are all always associated with fluid almost anywhere and anytime, fluid always influence our activities in everyday life either in liquid or gas. Basically the fluid used often experience loss or unstable when flowing through the piping system. The loss is caused by friction with walls, consequent section diameter, connections, valves, bends pipe, pipe materials and other special losses [1]. In this study has the purpose of the problem to determine the effect of consuquent section diameter, Variation of pipe material, fluid flow discharge to head losses and know the coefficient of loss on elbow 900 connection due to reynold number [2]. The minor loss is the head loss caused by the friction occurring in the valves, the connection of the tees, the bend connections, and consequent section diameter. This energy loss can be known by comparing several factors by way of calculation according to the previous equation. The contrast set can use the standard error as follows: in table 1 that explain some factors and level in independent variable
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